Home / 485,103.26-669,443.34-270,250.98

Finding the Fourth Proportional to 485,103.26, 669,443.34 and 270,250.98

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Solution

The fourth proportional to 485,103.26, 669,443.34 and 270,250.98 is: 372,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,103.26 : 669,443.34 = 270,250.98 : x
  2. Step 2: Convert to fraction form
    485,103.26/669,443.34 = 270,250.98/x
  3. Step 3: Cross multiply
    485,103.26x = 669,443.34 × 270,250.98
  4. Step 4: Simplify right side
    485,103.26x = 180,917,718,689.47
  5. Step 5: Solve for x
    x = 180,917,718,689.47/485,103.26
  6. Step 6: Final answer
    x = 372,946.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.